Home / 8,986,210.60-13,479,315.90-7,923,328.60

Finding the Fourth Proportional to 8,986,210.60, 13,479,315.90 and 7,923,328.60

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Solution

The fourth proportional to 8,986,210.60, 13,479,315.90 and 7,923,328.60 is: 11,884,992.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,986,210.60 : 13,479,315.90 = 7,923,328.60 : x
  2. Step 2: Convert to fraction form
    8,986,210.60/13,479,315.90 = 7,923,328.60/x
  3. Step 3: Cross multiply
    8,986,210.60x = 13,479,315.90 × 7,923,328.60
  4. Step 4: Simplify right side
    8,986,210.60x = 106,801,049,178,904.73
  5. Step 5: Solve for x
    x = 106,801,049,178,904.73/8,986,210.60
  6. Step 6: Final answer
    x = 11,884,992.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.